datagirdview绑定一个集合 我想绑定一个泛型集合Dictionary怎么做具体代码写一下求解 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 1、Datagridview需要绑定一个数据源,通常传个DataTable进来;2、目前你有个泛型集合Dictionary,可以将泛型集合类转换成DataTable。3、直接将转换后的DataTable赋给Datagridview数据源即可。泛型集合类转换成DataTable(可参考如下:)/// <summary> /// 将集合类转换成DataTable /// </summary> /// <param name="list">集合</param> /// <returns></returns> public static DataTable ToDataTable(IList list) { DataTable result = new DataTable(); if (list.Count > 0) { PropertyInfo[] propertys = list[0].GetType().GetProperties(); foreach (PropertyInfo pi in propertys) { result.Columns.Add(pi.Name, pi.PropertyType); } for (int i = 0; i < list.Count; i++) { ArrayList tempList = new ArrayList(); foreach (PropertyInfo pi in propertys) { object obj = pi.GetValue(list[i], null); tempList.Add(obj); } object[] array = tempList.ToArray(); result.LoadDataRow(array, true); } } return result; } /// <summary> /// 将泛型集合类转换成DataTable /// </summary> /// <typeparam name="T">集合项类型</typeparam> /// <param name="list">集合</param> /// <returns>数据集(表)</returns> public static DataTable ToDataTable<T>(IList<T> list) { return ConvertX.ToDataTable<T>(list, null); } /// <summary> /// 将泛型集合类转换成DataTable /// </summary> /// <typeparam name="T">集合项类型</typeparam> /// <param name="list">集合</param> /// <param name="propertyName">需要返回的列的列名</param> /// <returns>数据集(表)</returns> public static DataTable ToDataTable<T>(IList<T> list, params string[] propertyName) { List<string> propertyNameList = new List<string>(); if (propertyName != null) propertyNameList.AddRange(propertyName); DataTable result = new DataTable(); if (list.Count > 0) { PropertyInfo[] propertys = list[0].GetType().GetProperties(); foreach (PropertyInfo pi in propertys) { if (propertyNameList.Count == 0) { result.Columns.Add(pi.Name, pi.PropertyType); } else { if (propertyNameList.Contains(pi.Name)) result.Columns.Add(pi.Name, pi.PropertyType); } } for (int i = 0; i < list.Count; i++) { ArrayList tempList = new ArrayList(); foreach (PropertyInfo pi in propertys) { if (propertyNameList.Count == 0) { object obj = pi.GetValue(list[i], null); tempList.Add(obj); } else { if (propertyNameList.Contains(pi.Name)) { object obj = pi.GetValue(list[i], null); tempList.Add(obj); } } } object[] array = tempList.ToArray(); result.LoadDataRow(array, true); } } return result; } 一个游戏炮弹指向的问题 大型服务器是如何解决多用户连接的? datagridview checkbox列加位置控制后选中时为啥式样还是居中? IIS发布网站~~上传空间后出现问题 socket的问题 是不是VS2005的BUG呀??是不是VS2005的BUG呀??是不是VS2005的BUG呀??是不是VS2005的BUG呀?? C#引用VC++的DLL问题(方案一经试验成功回报100分) help!救命啊! 生成不了C#应用程序的安装程序 textbox逐行复制到剪贴板 java flex sql 连接数据库,运行网站,sa怎么解决啊
2、目前你有个泛型集合Dictionary,可以将泛型集合类转换成DataTable。
3、直接将转换后的DataTable赋给Datagridview数据源即可。泛型集合类转换成DataTable(可参考如下:)
/// <summary>
/// 将集合类转换成DataTable
/// </summary>
/// <param name="list">集合</param>
/// <returns></returns>
public static DataTable ToDataTable(IList list)
{
DataTable result = new DataTable();
if (list.Count > 0)
{
PropertyInfo[] propertys = list[0].GetType().GetProperties();
foreach (PropertyInfo pi in propertys)
{
result.Columns.Add(pi.Name, pi.PropertyType);
} for (int i = 0; i < list.Count; i++)
{
ArrayList tempList = new ArrayList();
foreach (PropertyInfo pi in propertys)
{
object obj = pi.GetValue(list[i], null);
tempList.Add(obj);
}
object[] array = tempList.ToArray();
result.LoadDataRow(array, true);
}
}
return result;
}
/// <summary>
/// 将泛型集合类转换成DataTable
/// </summary>
/// <typeparam name="T">集合项类型</typeparam>
/// <param name="list">集合</param>
/// <returns>数据集(表)</returns>
public static DataTable ToDataTable<T>(IList<T> list)
{
return ConvertX.ToDataTable<T>(list, null);
}
/// <summary>
/// 将泛型集合类转换成DataTable
/// </summary>
/// <typeparam name="T">集合项类型</typeparam>
/// <param name="list">集合</param>
/// <param name="propertyName">需要返回的列的列名</param>
/// <returns>数据集(表)</returns>
public static DataTable ToDataTable<T>(IList<T> list, params string[] propertyName)
{
List<string> propertyNameList = new List<string>();
if (propertyName != null)
propertyNameList.AddRange(propertyName); DataTable result = new DataTable();
if (list.Count > 0)
{
PropertyInfo[] propertys = list[0].GetType().GetProperties();
foreach (PropertyInfo pi in propertys)
{
if (propertyNameList.Count == 0)
{
result.Columns.Add(pi.Name, pi.PropertyType);
}
else
{
if (propertyNameList.Contains(pi.Name))
result.Columns.Add(pi.Name, pi.PropertyType);
}
} for (int i = 0; i < list.Count; i++)
{
ArrayList tempList = new ArrayList();
foreach (PropertyInfo pi in propertys)
{
if (propertyNameList.Count == 0)
{
object obj = pi.GetValue(list[i], null);
tempList.Add(obj);
}
else
{
if (propertyNameList.Contains(pi.Name))
{
object obj = pi.GetValue(list[i], null);
tempList.Add(obj);
}
}
}
object[] array = tempList.ToArray();
result.LoadDataRow(array, true);
}
}
return result;
}